All Questions

Kindly help

In a campaign, two teams, A and B, collected some old books. 1/4 of the old books Team A collected was equal to 2/5 of the old books Team B collected. After Team B collected another 987 old books and Team A gave away 2073 old books, the two teams read more ..

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Guest Jun 1, 2023

Algebra questions!!

1: Let A and B be the roots of the quadratic X^2 - 5X + 3 = 0 Find the quadratic whose roots are A^2 and B^2
2: Let A and B be real numbers such that A-B=4 and A^3 - B^3=52
(a) Find all possible values of AB read more ..

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Guest Jun 1, 2023

i need help

Alice and Bob each have a certain amount of money. If Alice receives n dollars from Bob, then she will have 7 times as much money as Bob. If, on the other hand, she gives n dollars to Bob, then she will have times as much read more ..

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Guest Jun 1, 2023

Percent

In a store window, there was a box of berries having a total weight of 200 kg. The berries were 99% water, by weight. After two days in the sun, the water content of the berries was only 90%, by weight. What was the total weight of read more ..

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Guest Jun 1, 2023

help plz

In Linguistics 101, the ratio of the number of juniors to the number of seniors is 3:2. When six more juniors join the class, and one senior drops the class, the ratio of the number of juniors to the number of seniors becomes 4:1. How many students are read more ..

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Guest Jun 1, 2023

system

Find the ordered quintuplet (a,b,c,d,e) that satisfies the system of equations
a + 2b + 3c + 4d + 5e = 41
2a + 3b + 4c + 5d + e = 15
3a + 4b + 5c + 1d + 2e = 34 read more ..

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Guest Jun 1, 2023

May 31, 2023

Motion in space

A baseball, hit 4 feet above the ground, leave the bat at an angle of 49 degrees and is caught by an outfielder 2.5 feet above the ground and 166 feet from home plate. Neglecting air resistance, what was the initial speed of the ball? Answer should be in read more ..

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Guest May 31, 2023

polygon

Let B, A, and D be three consecutive vertices of a regular -gon. A regular heptagon is constructed on line AB with a vertex C next to A. Find angle BCD in degrees.

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Guest May 31, 2023

system

At a cafeteria, Mary orders two pieces of toast and a bagel, which comes out to $3.15. Gary orders a bagel and a muffin, which comes out to $3.50. Larry orders a piece of toast, two bagels, and three muffins, which comes out to $8.15. How many cents does read more ..

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Guest May 31, 2023

Interesting Problem

Triangle ABC has altitudes AD, BE, and CF. If AD = 12 and BE = 15 is a positive integer, then find the largest possible value of CF?
I have looked at similar problems to this but they are not correct. This needs read more ..

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Guest May 31, 2023

A climber began at an altitude of 46,250 feet. After 2 hours he was 46,400. After 6 hours, he was at 46,700. what is the rate change?

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Guest May 31, 2023

+1347

Algebra

Tanzi and Maeve each have brand new 1200 mL bottles of soap. They use soap at different constant rates. When Tanzi's bottle is completely empty, she asks Maeve to add soap from Maeve's bottle, which is still two-thirds full. How many milliliters of soap read more ..

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sandwich May 31, 2023

+1347

Angles

One angle of a non-regular quadrilateral is a right angle. The largest angle is 3 times the size of the smallest angle. The fourth angle is 15 degrees greater than the smallest. What is the measure, in degrees, of the largest angle?

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sandwich May 31, 2023

+1347

Digit

If the five-digit number 46A81 is divisible by 7, what digit does A represent?

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sandwich May 31, 2023

+70

math-

Sophie's favorite number is a two-digit number. If she reverses the digits, the result is 36 less than her favorite number. Also, one digit is 1 more than double the other digit. What is Sophie's favorite number?

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sheeshers May 31, 2023

help please!

There are four positive integers that are divisors of each number in the list:
26, 72, -12, 114, 96
Find the sum of these four positive integers.

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Guest May 31, 2023

what does ! mean in 75!3*4!12!

what does ! mean in 7*5!*3*4!*1*2!

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Guest May 31, 2023

ratios

At a math convention, a poll is taken about cable news. It turns out that 7 out of every 12 people are bored by cable news. If there are 280 people at the convention who are bored by cable news, then how many people at the convention read more ..

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Guest May 31, 2023

Algebra 1A Linear Equations

9x=88 , 9x\9 = 88\9 and x = 9 7\9 Which property was used to solve this equation?

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Guest May 31, 2023

ratios

A bag contains yellow, green, blue, and white marbles. The ratio of yellow, green, blue, and white marbles is 1:2:3:4. If the bag contains 180 marbles, then how many blue marbles are there?

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Guest May 31, 2023

math problem

Each unit square of the 4x4 grid below is to be filled in with the number 1, 2, 3 or 4, so that:
Each row contains the numbers 1, 2, 3, and 4 in some order,
Each column contains the numbers 1, 2, 3, and 4 in some order, and
Each square read more ..

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Guest May 31, 2023

help needed

I need to find the number of solutions
How many solutions are there to the equation
u + v + w + x + y + z = 7
where u, v, w, x, y, and z are nonnegative integers, and x is at most 2 or y is at least 3? read more ..

Guest May 31, 2023

help

Plz help guys
In the diagram below, SR = PQ = 20 and RT:TS = 2:3. Find UV.

Guest May 31, 2023

geometric series

find b if b/7 + b^3/7^3 + b^5/7^5...=7.

Guest May 31, 2023

need help

Find the number of ways of arranging the numbers 1,2 ,3, 4, 5, 6, 7, 8, 9 in a row so that the product of any two adjacent numbers is even.

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Guest May 31, 2023

All Questions ⁺⁰230591 Questions

Kindly help

Algebra questions!!

i need help

Percent

help plz

system

Motion in space

polygon

system

Interesting Problem

A climber began at an altitude of 46,250 feet. After 2 hours he was 46,400. After 6 hours, he was at 46,700. what is the rate change?

Algebra

Angles

Digit

math-

help please!

what does ! mean in 75!3*4!12!

ratios

Algebra 1A Linear Equations

ratios

math problem

help needed

help

geometric series

need help

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